Home / 68,680,001.70-103,020,002.55-17,566,020.90

Finding the Fourth Proportional to 68,680,001.70, 103,020,002.55 and 17,566,020.90

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Solution

The fourth proportional to 68,680,001.70, 103,020,002.55 and 17,566,020.90 is: 26,349,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,680,001.70 : 103,020,002.55 = 17,566,020.90 : x
  2. Step 2: Convert to fraction form
    68,680,001.70/103,020,002.55 = 17,566,020.90/x
  3. Step 3: Cross multiply
    68,680,001.70x = 103,020,002.55 × 17,566,020.90
  4. Step 4: Simplify right side
    68,680,001.70x = 1,809,651,517,911,353
  5. Step 5: Solve for x
    x = 1,809,651,517,911,353/68,680,001.70
  6. Step 6: Final answer
    x = 26,349,031.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.